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This HVAC sequencer relay is engineered for precision
As the direct replacement for 661024
The primary difference is the voltage rating
offering an IP20 enclosure rating to prevent accidental contact with live terminals
Nordyne 661049R Orifice This HVAC sequencer relay isThe Nordyne 661049R Orifice is a precision engineered #49 natural gas burner orifice designed for specific gas furnace manifold assemblies. Featuring a . 049 port size, this component is critical for maintaining the correct BTU input and ensuring stoichiometric combustion within the heat exchanger. As the direct replacement for Nordyne 661049, this part addresses common furnace burner maintenance issues such as clogged gas orifices or improper flame
